20216501602 has 16 divisors (see below), whose sum is σ = 33083797824. Its totient is φ = 9188694000.

The previous prime is 20216501597. The next prime is 20216501621. The reversal of 20216501602 is 20610561202.

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, 501352 + ... + 540172.

It is an arithmetic number, because the mean of its divisors is an integer number (2067737364).

Almost surely, 2^20216501602 is an apocalyptic number.

20216501602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20216501602 is a deficient number, since it is larger than the sum of its proper divisors (12867296222).

20216501602 is a wasteful number, since it uses less digits than its factorization.

20216501602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62505.

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 20216501602 in words is "twenty billion, two hundred sixteen million, five hundred one thousand, six hundred two".