210023101020 has 96 divisors (see below), whose sum is σ = 622751830848. Its totient is φ = 52703629312.

The previous prime is 210023100929. The next prime is 210023101039. The reversal of 210023101020 is 20101320012.

It is a super-4 number, since 4×210023101020⁴ (a number of 46 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210023100987 and 210023101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9467782 + ... + 9489938.

It is an arithmetic number, because the mean of its divisors is an integer number (6486998238).

Almost surely, 2^210023101020 is an apocalyptic number.

210023101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210023101020 is an abundant number, since it is smaller than the sum of its proper divisors (412728729828).

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

210023101020 is a wasteful number, since it uses less digits than its factorization.

210023101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31479 (or 31477 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 210023101020 its reverse (20101320012), we get a palindrome (230124421032).

The spelling of 210023101020 in words is "two hundred ten billion, twenty-three million, one hundred one thousand, twenty".