20365423011210 has 16 divisors (see below), whose sum is σ = 48877015226976. Its totient is φ = 5430779469648.

The previous prime is 20365423011169. The next prime is 20365423011259. The reversal of 20365423011210 is 1211032456302.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 678847433707 = 20365423011210 / (2 + 0 + 3 + 6 + 5 + 4 + 2 + 3 + 0 + 1 + 1 + 2 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339423716824 + ... + 339423716883.

It is an arithmetic number, because the mean of its divisors is an integer number (3054813451686).

Almost surely, 2^{20365423011210} is an apocalyptic number.

20365423011210 is an abundant number, since it is smaller than the sum of its proper divisors (28511592215766).

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

20365423011210 is a wasteful number, since it uses less digits than its factorization.

20365423011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678847433717.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 20365423011210 its reverse (1211032456302), we get a palindrome (21576455467512).

The spelling of 20365423011210 in words is "twenty trillion, three hundred sixty-five billion, four hundred twenty-three million, eleven thousand, two hundred ten".