20955115951419 has 32 divisors (see below), whose sum is σ = 31257415945728. Its totient is φ = 12403736352000.

The previous prime is 20955115951391. The next prime is 20955115951529. The reversal of 20955115951419 is 91415951155902.

It is a happy number.

It is not a de Polignac number, because 20955115951419 - 2¹³ = 20955115943227 is a prime.

It is a super-2 number, since 2×20955115951419² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20955115951019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92176177 + ... + 92403234.

It is an arithmetic number, because the mean of its divisors is an integer number (976794248304).

Almost surely, 2^{20955115951419} is an apocalyptic number.

20955115951419 is a deficient number, since it is larger than the sum of its proper divisors (10302299994309).

20955115951419 is a wasteful number, since it uses less digits than its factorization.

20955115951419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184579539.

The product of its (nonzero) digits is 3645000, while the sum is 57.

The spelling of 20955115951419 in words is "twenty trillion, nine hundred fifty-five billion, one hundred fifteen million, nine hundred fifty-one thousand, four hundred nineteen".