10020738357990 has 48 divisors (see below), whose sum is σ = 26659824851088. Its totient is φ = 2610052780608.

The previous prime is 10020738357989. The next prime is 10020738357997. The reversal of 10020738357990 is 9975383702001.

10020738357990 is a `hidden beast` number, since 1 + 0 + 0 + 207 + 383 + 57 + 9 + 9 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020738357997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1294665169 + ... + 1294672908.

It is an arithmetic number, because the mean of its divisors is an integer number (555413017731).

Almost surely, 2^{10020738357990} is an apocalyptic number.

10020738357990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10020738357990 is an abundant number, since it is smaller than the sum of its proper divisors (16639086493098).

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

10020738357990 is a wasteful number, since it uses less digits than its factorization.

10020738357990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589338133 (or 2589338130 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 10020738357990 in words is "ten trillion, twenty billion, seven hundred thirty-eight million, three hundred fifty-seven thousand, nine hundred ninety".