20522453502 has 16 divisors (see below), whose sum is σ = 41072827392. Its totient is φ = 6836164440.

The previous prime is 20522453467. The next prime is 20522453537. The reversal of 20522453502 is 20535422502.

It is an interprime number because it is at equal distance from previous prime (20522453467) and next prime (20522453537).

It is a self number, because there is not a number n which added to its sum of digits gives 20522453502.

It is a congruent number.

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, 1153788 + ... + 1171439.

It is an arithmetic number, because the mean of its divisors is an integer number (2567051712).

Almost surely, 2^20522453502 is an apocalyptic number.

20522453502 is an abundant number, since it is smaller than the sum of its proper divisors (20550373890).

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

20522453502 is a wasteful number, since it uses less digits than its factorization.

20522453502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326703.

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 20522453502 in words is "twenty billion, five hundred twenty-two million, four hundred fifty-three thousand, five hundred two".