20200019975 has 12 divisors (see below), whose sum is σ = 25054005816. Its totient is φ = 16156157280.

The previous prime is 20200019971. The next prime is 20200020023. The reversal of 20200019975 is 57991000202.

It is not a de Polignac number, because 20200019975 - 2² = 20200019971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200019971) 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, 12749 + ... + 201401.

It is an arithmetic number, because the mean of its divisors is an integer number (2087833818).

Almost surely, 2^20200019975 is an apocalyptic number.

20200019975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20200019975 is a deficient number, since it is larger than the sum of its proper divisors (4853985841).

20200019975 is a wasteful number, since it uses less digits than its factorization.

20200019975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192946 (or 192941 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The spelling of 20200019975 in words is "twenty billion, two hundred million, nineteen thousand, nine hundred seventy-five".