20862938052 has 36 divisors (see below), whose sum is σ = 57531133296. Its totient is φ = 6322102320.

The previous prime is 20862938051. The next prime is 20862938059. The reversal of 20862938052 is 25083926802.

It is a happy number.

20862938052 is a `hidden beast` number, since 208 + 62 + 9 + 380 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 20862937989 and 20862938007.

It is not an unprimeable number, because it can be changed into a prime (20862938051) 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, 26341698 + ... + 26342489.

It is an arithmetic number, because the mean of its divisors is an integer number (1598087036).

Almost surely, 2^20862938052 is an apocalyptic number.

20862938052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20862938052 is an abundant number, since it is smaller than the sum of its proper divisors (36668195244).

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

20862938052 is a wasteful number, since it uses less digits than its factorization.

20862938052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52684208 (or 52684203 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 20862938052 in words is "twenty billion, eight hundred sixty-two million, nine hundred thirty-eight thousand, fifty-two".