20265022074 has 64 divisors (see below), whose sum is σ = 46842779520. Its totient is φ = 5776312320.

The previous prime is 20265022067. The next prime is 20265022111. The reversal of 20265022074 is 47022056202.

It is a super-2 number, since 2×20265022074² (a number of 21 digits) contains 22 as substring.

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, 2411472 + ... + 2419860.

It is an arithmetic number, because the mean of its divisors is an integer number (731918430).

Almost surely, 2^20265022074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20265022074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23421389760).

20265022074 is an abundant number, since it is smaller than the sum of its proper divisors (26577757446).

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

20265022074 is a wasteful number, since it uses less digits than its factorization.

20265022074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10575.

The product of its (nonzero) digits is 13440, while the sum is 30.

Adding to 20265022074 its reverse (47022056202), we get a palindrome (67287078276).

The spelling of 20265022074 in words is "twenty billion, two hundred sixty-five million, twenty-two thousand, seventy-four".