20651050522 has 8 divisors (see below), whose sum is σ = 30977226900. Its totient is φ = 10325308224.

The previous prime is 20651050513. The next prime is 20651050531. The reversal of 20651050522 is 22505015602.

It is an interprime number because it is at equal distance from previous prime (20651050513) and next prime (20651050531).

It can be written as a sum of positive squares in 2 ways, for example, as 19204693561 + 1446356961 = 138581^2 + 38031^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67554 + ... + 214162.

Almost surely, 2^20651050522 is an apocalyptic number.

20651050522 is a deficient number, since it is larger than the sum of its proper divisors (10326176378).

20651050522 is a wasteful number, since it uses less digits than its factorization.

20651050522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217040.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 20651050522 in words is "twenty billion, six hundred fifty-one million, fifty thousand, five hundred twenty-two".