20910292002 has 48 divisors (see below), whose sum is σ = 46458299160. Its totient is φ = 6793113600.

The previous prime is 20910291973. The next prime is 20910292027. The reversal of 20910292002 is 20029201902.

It can be written as a sum of positive squares in 4 ways, for example, as 7953250761 + 12957041241 = 89181^2 + 113829^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 730602 + ... + 758682.

Almost surely, 2^20910292002 is an apocalyptic number.

20910292002 is an abundant number, since it is smaller than the sum of its proper divisors (25548007158).

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

20910292002 is a wasteful number, since it uses less digits than its factorization.

20910292002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29139 (or 29136 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

Adding to 20910292002 its reverse (20029201902), we get a palindrome (40939493904).

The spelling of 20910292002 in words is "twenty billion, nine hundred ten million, two hundred ninety-two thousand, two".