2013746520 has 64 divisors (see below), whose sum is σ = 6053292000. Its totient is φ = 535927808.

The previous prime is 2013746519. The next prime is 2013746561. The reversal of 2013746520 is 256473102.

It is a super-2 number, since 2×2013746520² = 8110350093624220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44596 + ... + 77564.

Almost surely, 2^2013746520 is an apocalyptic number.

2013746520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013746520 is an abundant number, since it is smaller than the sum of its proper divisors (4039545480).

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

2013746520 is a wasteful number, since it uses less digits than its factorization.

2013746520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33492 (or 33488 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2013746520 is about 44874.7871304143. The cubic root of 2013746520 is about 1262.8010499274.

The spelling of 2013746520 in words is "two billion, thirteen million, seven hundred forty-six thousand, five hundred twenty".