1122020002 has 16 divisors (see below), whose sum is σ = 1722666240. Its totient is φ = 547851168.

The previous prime is 1122019973. The next prime is 1122020021. The reversal of 1122020002 is 2000202211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29899 + ... + 56017.

It is an arithmetic number, because the mean of its divisors is an integer number (107666640).

Almost surely, 2^1122020002 is an apocalyptic number.

1122020002 is a deficient number, since it is larger than the sum of its proper divisors (600646238).

1122020002 is a wasteful number, since it uses less digits than its factorization.

1122020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26625.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1122020002 is about 33496.5670181289. The cubic root of 1122020002 is about 1039.1227816190.

Adding to 1122020002 its reverse (2000202211), we get a palindrome (3122222213).

The spelling of 1122020002 in words is "one billion, one hundred twenty-two million, twenty thousand, two".