20973609414492 has 96 divisors (see below), whose sum is σ = 56030175742464. Its totient is φ = 5981694393600.

The previous prime is 20973609414479. The next prime is 20973609414497. The reversal of 20973609414492 is 29441490637902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20973609414497) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 130497942 + ... + 130658562.

It is an arithmetic number, because the mean of its divisors is an integer number (583647663984).

Almost surely, 2^{20973609414492} is an apocalyptic number.

It is an amenable number.

20973609414492 is an abundant number, since it is smaller than the sum of its proper divisors (35056566327972).

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

20973609414492 is a wasteful number, since it uses less digits than its factorization.

20973609414492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163419 (or 163417 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 20973609414492 in words is "twenty trillion, nine hundred seventy-three billion, six hundred nine million, four hundred fourteen thousand, four hundred ninety-two".