20100570220 has 12 divisors (see below), whose sum is σ = 42211197504. Its totient is φ = 8040228080.

The previous prime is 20100570197. The next prime is 20100570227. The reversal of 20100570220 is 2207500102.

It is not an unprimeable number, because it can be changed into a prime (20100570227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502514236 + ... + 502514275.

It is an arithmetic number, because the mean of its divisors is an integer number (3517599792).

Almost surely, 2^20100570220 is an apocalyptic number.

20100570220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100570220 is an abundant number, since it is smaller than the sum of its proper divisors (22110627284).

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

20100570220 is a wasteful number, since it uses less digits than its factorization.

20100570220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005028520 (or 1005028518 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The spelling of 20100570220 in words is "twenty billion, one hundred million, five hundred seventy thousand, two hundred twenty".