20925693526 has 8 divisors (see below), whose sum is σ = 32753259504. Its totient is φ = 10007940360.

The previous prime is 20925693521. The next prime is 20925693527. The reversal of 20925693526 is 62539652902.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20925693526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20925693521) 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, 227453145 + ... + 227453236.

It is an arithmetic number, because the mean of its divisors is an integer number (4094157438).

Almost surely, 2^20925693526 is an apocalyptic number.

20925693526 is a deficient number, since it is larger than the sum of its proper divisors (11827565978).

20925693526 is a wasteful number, since it uses less digits than its factorization.

20925693526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454906406.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 20925693526 in words is "twenty billion, nine hundred twenty-five million, six hundred ninety-three thousand, five hundred twenty-six".