10022021020 has 36 divisors (see below), whose sum is σ = 23133480552. Its totient is φ = 3644370400.

The previous prime is 10022020993. The next prime is 10022021027. The reversal of 10022021020 is 2012022001.

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 = 10022020988 and 10022021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022021027) 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, 2068246 + ... + 2073085.

It is an arithmetic number, because the mean of its divisors is an integer number (642596682).

Almost surely, 2^10022021020 is an apocalyptic number.

10022021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10022021020 is an abundant number, since it is smaller than the sum of its proper divisors (13111459532).

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

10022021020 is a wasteful number, since it uses less digits than its factorization.

10022021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141362 (or 4141349 counting only the distinct ones).

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

Adding to 10022021020 its reverse (2012022001), we get a palindrome (12034043021).

The spelling of 10022021020 in words is "ten billion, twenty-two million, twenty-one thousand, twenty".