5021001020 has 24 divisors (see below), whose sum is σ = 12050402784. Its totient is φ = 1721486016.

The previous prime is 5021001019. The next prime is 5021001031. The reversal of 5021001020 is 201001205.

It is a junction number, because it is equal to n+sod(n) for n = 5021000992 and 5021001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17932007 + ... + 17932286.

It is an arithmetic number, because the mean of its divisors is an integer number (502100116).

Almost surely, 2^5021001020 is an apocalyptic number.

It is an amenable number.

5021001020 is an abundant number, since it is smaller than the sum of its proper divisors (7029401764).

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

5021001020 is a wasteful number, since it uses less digits than its factorization.

5021001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35864309 (or 35864307 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 5021001020 is about 70859.0221496176. The cubic root of 5021001020 is about 1712.3666852016.

Adding to 5021001020 its reverse (201001205), we get a palindrome (5222002225).

The spelling of 5021001020 in words is "five billion, twenty-one million, one thousand, twenty".