20957481038014 has 8 divisors (see below), whose sum is σ = 31511248340040. Its totient is φ = 10453731591336.

The previous prime is 20957481038009. The next prime is 20957481038017. The reversal of 20957481038014 is 41083018475902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20957481038014² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20957481038017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12504462789 + ... + 12504464464.

It is an arithmetic number, because the mean of its divisors is an integer number (3938906042505).

Almost surely, 2^{20957481038014} is an apocalyptic number.

20957481038014 is a deficient number, since it is larger than the sum of its proper divisors (10553767302026).

20957481038014 is a wasteful number, since it uses less digits than its factorization.

20957481038014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25008927674.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 20957481038014 in words is "twenty trillion, nine hundred fifty-seven billion, four hundred eighty-one million, thirty-eight thousand, fourteen".