20948809415334 has 32 divisors (see below), whose sum is σ = 42305348027904. Its totient is φ = 6914984670720.

The previous prime is 20948809415297. The next prime is 20948809415383. The reversal of 20948809415334 is 43351490884902.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28774854 + ... + 29493894.

It is an arithmetic number, because the mean of its divisors is an integer number (1322042125872).

Almost surely, 2^{20948809415334} is an apocalyptic number.

20948809415334 is an abundant number, since it is smaller than the sum of its proper divisors (21356538612570).

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

20948809415334 is a wasteful number, since it uses less digits than its factorization.

20948809415334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766292.

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 20948809415334 in words is "twenty trillion, nine hundred forty-eight billion, eight hundred nine million, four hundred fifteen thousand, three hundred thirty-four".