20365254764620 has 48 divisors (see below), whose sum is σ = 42798311458560. Its totient is φ = 8140146610176.

The previous prime is 20365254764611. The next prime is 20365254764629. The reversal of 20365254764620 is 2646745256302.

It is an interprime number because it is at equal distance from previous prime (20365254764611) and next prime (20365254764629).

It is a super-2 number, since 2×20365254764620² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20365254764629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160364869 + ... + 160491811.

It is an arithmetic number, because the mean of its divisors is an integer number (891631488720).

Almost surely, 2^{20365254764620} is an apocalyptic number.

20365254764620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20365254764620 is an abundant number, since it is smaller than the sum of its proper divisors (22433056693940).

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

20365254764620 is a wasteful number, since it uses less digits than its factorization.

20365254764620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132754 (or 132752 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 20365254764620 in words is "twenty trillion, three hundred sixty-five billion, two hundred fifty-four million, seven hundred sixty-four thousand, six hundred twenty".