20514442602 has 16 divisors (see below), whose sum is σ = 41324058720. Its totient is φ = 6788951952.

The previous prime is 20514442583. The next prime is 20514442607. The reversal of 20514442602 is 20624441502.

It is a self number, because there is not a number n which added to its sum of digits gives 20514442602.

It is not an unprimeable number, because it can be changed into a prime (20514442607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12297993 + ... + 12299660.

It is an arithmetic number, because the mean of its divisors is an integer number (2582753670).

Almost surely, 2^20514442602 is an apocalyptic number.

20514442602 is an abundant number, since it is smaller than the sum of its proper divisors (20809616118).

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

20514442602 is a wasteful number, since it uses less digits than its factorization.

20514442602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24597797.

The product of its (nonzero) digits is 15360, while the sum is 30.

The spelling of 20514442602 in words is "twenty billion, five hundred fourteen million, four hundred forty-two thousand, six hundred two".