20245390629560 has 64 divisors (see below), whose sum is σ = 47959055575200. Its totient is φ = 7670426112000.

The previous prime is 20245390629557. The next prime is 20245390629619. The reversal of 20245390629560 is 6592609354202.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240160 + ... + 6482960.

Almost surely, 2^{20245390629560} is an apocalyptic number.

20245390629560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20245390629560 is an abundant number, since it is smaller than the sum of its proper divisors (27713664945640).

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

20245390629560 is a wasteful number, since it uses less digits than its factorization.

20245390629560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5247912 (or 5247908 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 20245390629560 in words is "twenty trillion, two hundred forty-five billion, three hundred ninety million, six hundred twenty-nine thousand, five hundred sixty".