20763541898 has 16 divisors (see below), whose sum is σ = 34096774176. Its totient is φ = 9404621040.

The previous prime is 20763541871. The next prime is 20763541907. The reversal of 20763541898 is 89814536702.

It is a super-2 number, since 2×20763541898² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1661261 + ... + 1673712.

It is an arithmetic number, because the mean of its divisors is an integer number (2131048386).

It is a 2-persistent number, because it is pandigital, and so is 2⋅20763541898 = 41527083796, but 3⋅20763541898 = 62290625694 is not.

Almost surely, 2^20763541898 is an apocalyptic number.

20763541898 is a deficient number, since it is larger than the sum of its proper divisors (13333232278).

20763541898 is a wasteful number, since it uses less digits than its factorization.

20763541898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335269.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 20763541898 in words is "twenty billion, seven hundred sixty-three million, five hundred forty-one thousand, eight hundred ninety-eight".