20797641202 has 32 divisors (see below), whose sum is σ = 33866259840. Its totient is φ = 9521867520.

The previous prime is 20797641191. The next prime is 20797641209. The reversal of 20797641202 is 20214679702.

It is not an unprimeable number, because it can be changed into a prime (20797641209) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7808523 + ... + 7811185.

It is an arithmetic number, because the mean of its divisors is an integer number (1058320620).

Almost surely, 2^20797641202 is an apocalyptic number.

20797641202 is a deficient number, since it is larger than the sum of its proper divisors (13068618638).

20797641202 is a wasteful number, since it uses less digits than its factorization.

20797641202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 20797641202 in words is "twenty billion, seven hundred ninety-seven million, six hundred forty-one thousand, two hundred two".