20898357006 has 48 divisors (see below), whose sum is σ = 44611176960. Its totient is φ = 6525160320.

The previous prime is 20898357001. The next prime is 20898357049. The reversal of 20898357006 is 60075389802.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20898357001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337315 + ... + 394433.

It is an arithmetic number, because the mean of its divisors is an integer number (929399520).

Almost surely, 2^20898357006 is an apocalyptic number.

20898357006 is an abundant number, since it is smaller than the sum of its proper divisors (23712819954).

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

20898357006 is a wasteful number, since it uses less digits than its factorization.

20898357006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57369 (or 57352 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 20898357006 in words is "twenty billion, eight hundred ninety-eight million, three hundred fifty-seven thousand, six".