20790711270 has 72 divisors (see below), whose sum is σ = 62881307424. Its totient is φ = 4752161568.

The previous prime is 20790711239. The next prime is 20790711307. The reversal of 20790711270 is 7211709702.

It is a super-2 number, since 2×20790711270² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2352814 + ... + 2361633.

It is an arithmetic number, because the mean of its divisors is an integer number (873351492).

Almost surely, 2^20790711270 is an apocalyptic number.

20790711270 is an abundant number, since it is smaller than the sum of its proper divisors (42090596154).

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

20790711270 is a wasteful number, since it uses less digits than its factorization.

20790711270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714474 (or 4714464 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The spelling of 20790711270 in words is "twenty billion, seven hundred ninety million, seven hundred eleven thousand, two hundred seventy".