20842503210 has 48 divisors (see below), whose sum is σ = 54209526696. Its totient is φ = 5556050304.

The previous prime is 20842503191. The next prime is 20842503223. The reversal of 20842503210 is 1230524802.

20842503210 is a `hidden beast` number, since 20 + 8 + 425 + 0 + 3 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13623791841 + 7218711369 = 116721^2 + 84963^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226972 + ... + 305288.

Almost surely, 2^20842503210 is an apocalyptic number.

20842503210 is an abundant number, since it is smaller than the sum of its proper divisors (33367023486).

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

20842503210 is a wasteful number, since it uses less digits than its factorization.

20842503210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81287 (or 81284 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 20842503210 in words is "twenty billion, eight hundred forty-two million, five hundred three thousand, two hundred ten".