20322462149 has 48 divisors (see below), whose sum is σ = 24017264640. Its totient is φ = 17045471520.

The previous prime is 20322462109. The next prime is 20322462151. The reversal of 20322462149 is 94126422302.

It is a de Polignac number, because none of the positive numbers 2^k-20322462149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322462109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29754362 + ... + 29755044.

It is an arithmetic number, because the mean of its divisors is an integer number (500359680).

Almost surely, 2^20322462149 is an apocalyptic number.

It is an amenable number.

20322462149 is a deficient number, since it is larger than the sum of its proper divisors (3694802491).

20322462149 is a wasteful number, since it uses less digits than its factorization.

20322462149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 20322462149 in words is "twenty billion, three hundred twenty-two million, four hundred sixty-two thousand, one hundred forty-nine".