20510106200 has 48 divisors (see below), whose sum is σ = 47695436880. Its totient is φ = 8202418560.

The previous prime is 20510106157. The next prime is 20510106329. The reversal of 20510106200 is 260101502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1887182 + ... + 1898018.

It is an arithmetic number, because the mean of its divisors is an integer number (993654935).

Almost surely, 2^20510106200 is an apocalyptic number.

20510106200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20510106200 is an abundant number, since it is smaller than the sum of its proper divisors (27185330680).

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

20510106200 is a wasteful number, since it uses less digits than its factorization.

20510106200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20316 (or 20307 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 20510106200 its reverse (260101502), we get a palindrome (20770207702).

The spelling of 20510106200 in words is "twenty billion, five hundred ten million, one hundred six thousand, two hundred".