20807498202 has 32 divisors (see below), whose sum is σ = 43059643200. Its totient is φ = 6695165568.

The previous prime is 20807498197. The next prime is 20807498207. The reversal of 20807498202 is 20289470802.

It is an interprime number because it is at equal distance from previous prime (20807498197) and next prime (20807498207).

It is not an unprimeable number, because it can be changed into a prime (20807498207) 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, 973749 + ... + 994887.

It is an arithmetic number, because the mean of its divisors is an integer number (1345613850).

Almost surely, 2^20807498202 is an apocalyptic number.

20807498202 is an abundant number, since it is smaller than the sum of its proper divisors (22252144998).

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

20807498202 is a wasteful number, since it uses less digits than its factorization.

20807498202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26830.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 20807498202 in words is "twenty billion, eight hundred seven million, four hundred ninety-eight thousand, two hundred two".