50100402020 has 12 divisors (see below), whose sum is σ = 105210844284. Its totient is φ = 20040160800.

The previous prime is 50100402017. The next prime is 50100402043. The reversal of 50100402020 is 2020400105.

It can be written as a sum of positive squares in 2 ways, for example, as 36694467364 + 13405934656 = 191558^2 + 115784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50100401986 and 50100402004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252510031 + ... + 1252510070.

It is an arithmetic number, because the mean of its divisors is an integer number (8767570357).

Almost surely, 2^50100402020 is an apocalyptic number.

It is an amenable number.

50100402020 is an abundant number, since it is smaller than the sum of its proper divisors (55110442264).

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

50100402020 is a wasteful number, since it uses less digits than its factorization.

50100402020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505020110 (or 2505020108 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

Adding to 50100402020 its reverse (2020400105), we get a palindrome (52120802125).

The spelling of 50100402020 in words is "fifty billion, one hundred million, four hundred two thousand, twenty".