20216402106 has 16 divisors (see below), whose sum is σ = 41827039200. Its totient is φ = 6506428208.

The previous prime is 20216402081. The next prime is 20216402113. The reversal of 20216402106 is 60120461202.

It is a super-2 number, since 2×20216402106² (a number of 21 digits) contains 22 as substring.

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, 58092936 + ... + 58093283.

It is an arithmetic number, because the mean of its divisors is an integer number (2614189950).

Almost surely, 2^20216402106 is an apocalyptic number.

20216402106 is an abundant number, since it is smaller than the sum of its proper divisors (21610637094).

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

20216402106 is a wasteful number, since it uses less digits than its factorization.

20216402106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116186253.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20216402106 its reverse (60120461202), we get a palindrome (80336863308).

The spelling of 20216402106 in words is "twenty billion, two hundred sixteen million, four hundred two thousand, one hundred six".