20951441190 has 48 divisors (see below), whose sum is σ = 54820750608. Its totient is φ = 5551460928.

The previous prime is 20951441153. The next prime is 20951441219. The reversal of 20951441190 is 9114415902.

It is a happy number.

20951441190 is a `hidden beast` number, since 20 + 9 + 5 + 1 + 441 + 190 = 666.

It is a super-2 number, since 2×20951441190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727252 + ... + 755511.

It is an arithmetic number, because the mean of its divisors is an integer number (1142098971).

Almost surely, 2^20951441190 is an apocalyptic number.

20951441190 is an abundant number, since it is smaller than the sum of its proper divisors (33869309418).

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

20951441190 is a wasteful number, since it uses less digits than its factorization.

20951441190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482933 (or 1482930 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 20951441190 in words is "twenty billion, nine hundred fifty-one million, four hundred forty-one thousand, one hundred ninety".