20862228700 has 36 divisors (see below), whose sum is σ = 45694153512. Its totient is φ = 8266897600.

The previous prime is 20862228671. The next prime is 20862228707. The reversal of 20862228700 is 782226802.

It is a super-2 number, since 2×20862228700² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20862228700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20862228707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964171 + ... + 985570.

It is an arithmetic number, because the mean of its divisors is an integer number (1269282042).

Almost surely, 2^20862228700 is an apocalyptic number.

20862228700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20862228700 is an abundant number, since it is smaller than the sum of its proper divisors (24831924812).

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

20862228700 is a wasteful number, since it uses less digits than its factorization.

20862228700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949862 (or 1949855 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 20862228700 in words is "twenty billion, eight hundred sixty-two million, two hundred twenty-eight thousand, seven hundred".