10102020220 has 48 divisors (see below), whose sum is σ = 21909436416. Its totient is φ = 3908520000.

The previous prime is 10102020191. The next prime is 10102020239. The reversal of 10102020220 is 2202020101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10102020197 and 10102020206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2385505 + ... + 2389735.

It is an arithmetic number, because the mean of its divisors is an integer number (456446592).

Almost surely, 2^10102020220 is an apocalyptic number.

10102020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102020220 is an abundant number, since it is smaller than the sum of its proper divisors (11807416196).

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

10102020220 is a wasteful number, since it uses less digits than its factorization.

10102020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8122 (or 8120 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10102020220 its reverse (2202020101), we get a palindrome (12304040321).

The spelling of 10102020220 in words is "ten billion, one hundred two million, twenty thousand, two hundred twenty".