20214656346 has 64 divisors (see below), whose sum is σ = 42976189440. Its totient is φ = 6325080960.

The previous prime is 20214656317. The next prime is 20214656353. The reversal of 20214656346 is 64365641202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5624326 + ... + 5627918.

It is an arithmetic number, because the mean of its divisors is an integer number (671502960).

Almost surely, 2^20214656346 is an apocalyptic number.

20214656346 is an abundant number, since it is smaller than the sum of its proper divisors (22761533094).

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

20214656346 is a wasteful number, since it uses less digits than its factorization.

20214656346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 20214656346 in words is "twenty billion, two hundred fourteen million, six hundred fifty-six thousand, three hundred forty-six".