20949229814 has 16 divisors (see below), whose sum is σ = 31471856640. Its totient is φ = 10458625320.

The previous prime is 20949229799. The next prime is 20949229883. The reversal of 20949229814 is 41892294902.

It is a congruent number.

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, 6235067 + ... + 6238425.

It is an arithmetic number, because the mean of its divisors is an integer number (1966991040).

Almost surely, 2^20949229814 is an apocalyptic number.

20949229814 is a deficient number, since it is larger than the sum of its proper divisors (10522626826).

20949229814 is a wasteful number, since it uses less digits than its factorization.

20949229814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 20949229814 in words is "twenty billion, nine hundred forty-nine million, two hundred twenty-nine thousand, eight hundred fourteen".