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2020120130 = 257231254733
BaseRepresentation
bin111100001101000…
…1001011001000010
312012210012201212002
41320122021121002
513114122321010
6532242104002
7101026511030
oct17032113102
95183181762
102020120130
1194733a176
1248464b002
132626a0372
14152415550
15bc5391a5
hex78689642

2020120130 has 32 divisors (see below), whose sum is σ = 4336360704. Its totient is φ = 662498496.

The previous prime is 2020120127. The next prime is 2020120159. The reversal of 2020120130 is 310210202.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625757 + ... + 628976.

It is an arithmetic number, because the mean of its divisors is an integer number (135511272).

Almost surely, 22020120130 is an apocalyptic number.

2020120130 is an abundant number, since it is smaller than the sum of its proper divisors (2316240574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020120130 is a wasteful number, since it uses less digits than its factorization.

2020120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254770.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2020120130 is about 44945.7465173291. The cubic root of 2020120130 is about 1264.1319233034.

Adding to 2020120130 its reverse (310210202), we get a palindrome (2330330332).

The spelling of 2020120130 in words is "two billion, twenty million, one hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 1254733 2509466 6273665 8783131 12547330 17566262 28858859 43915655 57717718 87831310 144294295 202012013 288588590 404024026 1010060065 2020120130