20216239026 has 16 divisors (see below), whose sum is σ = 40434121728. Its totient is φ = 6738472400.

The previous prime is 20216239019. The next prime is 20216239049. The reversal of 20216239026 is 62093261202.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 140431 + ... + 245261.

It is an arithmetic number, because the mean of its divisors is an integer number (2527132608).

Almost surely, 2^20216239026 is an apocalyptic number.

20216239026 is an abundant number, since it is smaller than the sum of its proper divisors (20217882702).

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

20216239026 is a wasteful number, since it uses less digits than its factorization.

20216239026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136977.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 20216239026 in words is "twenty billion, two hundred sixteen million, two hundred thirty-nine thousand, twenty-six".