20235610072 has 8 divisors (see below), whose sum is σ = 37941768900. Its totient is φ = 10117805032.

The previous prime is 20235610063. The next prime is 20235610123. The reversal of 20235610072 is 27001653202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20235610072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264725622 + ... + 1264725637.

Almost surely, 2^20235610072 is an apocalyptic number.

It is an amenable number.

20235610072 is a deficient number, since it is larger than the sum of its proper divisors (17706158828).

20235610072 is a wasteful number, since it uses less digits than its factorization.

20235610072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529451265 (or 2529451261 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 20235610072 in words is "twenty billion, two hundred thirty-five million, six hundred ten thousand, seventy-two".