10211022020 has 12 divisors (see below), whose sum is σ = 21443146284. Its totient is φ = 4084408800.

The previous prime is 10211022007. The next prime is 10211022037. The reversal of 10211022020 is 2022011201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3859888384 + 6351133636 = 62128^2 + 79694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10211021992 and 10211022010.

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, 255275531 + ... + 255275570.

It is an arithmetic number, because the mean of its divisors is an integer number (1786928857).

Almost surely, 2^10211022020 is an apocalyptic number.

10211022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211022020 is an abundant number, since it is smaller than the sum of its proper divisors (11232124264).

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

10211022020 is a wasteful number, since it uses less digits than its factorization.

10211022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510551110 (or 510551108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10211022020 its reverse (2022011201), we get a palindrome (12233033221).

The spelling of 10211022020 in words is "ten billion, two hundred eleven million, twenty-two thousand, twenty".