20013774072572 has 36 divisors (see below), whose sum is σ = 40743802486800. Its totient is φ = 8577020862144.

The previous prime is 20013774072571. The next prime is 20013774072619. The reversal of 20013774072572 is 27527047731002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013774072571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3612008 + ... + 7285200.

It is an arithmetic number, because the mean of its divisors is an integer number (1131772291300).

Almost surely, 2^{20013774072572} is an apocalyptic number.

It is an amenable number.

20013774072572 is an abundant number, since it is smaller than the sum of its proper divisors (20730028414228).

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

20013774072572 is a wasteful number, since it uses less digits than its factorization.

20013774072572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701010 (or 3701001 counting only the distinct ones).

The product of its (nonzero) digits is 1152480, while the sum is 47.

The spelling of 20013774072572 in words is "twenty trillion, thirteen billion, seven hundred seventy-four million, seventy-two thousand, five hundred seventy-two".