20514211356 has 48 divisors (see below), whose sum is σ = 48024704000. Its totient is φ = 6815508480.

The previous prime is 20514211349. The next prime is 20514211397. The reversal of 20514211356 is 65311241502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5932380 + ... + 5935836.

Almost surely, 2^20514211356 is an apocalyptic number.

It is an amenable number.

20514211356 is an abundant number, since it is smaller than the sum of its proper divisors (27510492644).

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

20514211356 is a wasteful number, since it uses less digits than its factorization.

20514211356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954 (or 4952 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 20514211356 its reverse (65311241502), we get a palindrome (85825452858).

The spelling of 20514211356 in words is "twenty billion, five hundred fourteen million, two hundred eleven thousand, three hundred fifty-six".