20112023310 has 64 divisors (see below), whose sum is σ = 49094475840. Its totient is φ = 5272171520.

The previous prime is 20112023297. The next prime is 20112023311. The reversal of 20112023310 is 1332021102.

It is a super-2 number, since 2×20112023310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20112023310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112023311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440140 + ... + 483680.

It is an arithmetic number, because the mean of its divisors is an integer number (767101185).

Almost surely, 2^20112023310 is an apocalyptic number.

20112023310 is an abundant number, since it is smaller than the sum of its proper divisors (28982452530).

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

20112023310 is a wasteful number, since it uses less digits than its factorization.

20112023310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43813.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20112023310 its reverse (1332021102), we get a palindrome (21444044412).

The spelling of 20112023310 in words is "twenty billion, one hundred twelve million, twenty-three thousand, three hundred ten".