20061600020 has 48 divisors (see below), whose sum is σ = 52524920448. Its totient is φ = 6252965760.

The previous prime is 20061599933. The next prime is 20061600067. The reversal of 20061600020 is 2000616002.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6511967 + ... + 6515046.

It is an arithmetic number, because the mean of its divisors is an integer number (1094269176).

Almost surely, 2^20061600020 is an apocalyptic number.

20061600020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20061600020 is an abundant number, since it is smaller than the sum of its proper divisors (32463320428).

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

20061600020 is a wasteful number, since it uses less digits than its factorization.

20061600020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13027040 (or 13027038 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The spelling of 20061600020 in words is "twenty billion, sixty-one million, six hundred thousand, twenty".