20790940562 has 32 divisors (see below), whose sum is σ = 36802252800. Its totient is φ = 8620413840.

The previous prime is 20790940559. The next prime is 20790940567. The reversal of 20790940562 is 26504909702.

It is not an unprimeable number, because it can be changed into a prime (20790940567) 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, 2385689 + ... + 2394387.

It is an arithmetic number, because the mean of its divisors is an integer number (1150070400).

Almost surely, 2^20790940562 is an apocalyptic number.

20790940562 is a deficient number, since it is larger than the sum of its proper divisors (16011312238).

20790940562 is a wasteful number, since it uses less digits than its factorization.

20790940562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14246.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 20790940562 in words is "twenty billion, seven hundred ninety million, nine hundred forty thousand, five hundred sixty-two".