20354739276 has 24 divisors (see below), whose sum is σ = 47531046640. Its totient is φ = 6779676672.

The previous prime is 20354739257. The next prime is 20354739287. The reversal of 20354739276 is 67293745302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638341 + ... + 669468.

Almost surely, 2^20354739276 is an apocalyptic number.

It is an amenable number.

20354739276 is an abundant number, since it is smaller than the sum of its proper divisors (27176307364).

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

20354739276 is a wasteful number, since it uses less digits than its factorization.

20354739276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309113 (or 1309111 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 20354739276 in words is "twenty billion, three hundred fifty-four million, seven hundred thirty-nine thousand, two hundred seventy-six".