20767734332 has 24 divisors (see below), whose sum is σ = 37395927072. Its totient is φ = 10087064000.

The previous prime is 20767734307. The next prime is 20767734341. The reversal of 20767734332 is 23343776702.

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, 463544 + ... + 506367.

It is an arithmetic number, because the mean of its divisors is an integer number (1558163628).

Almost surely, 2^20767734332 is an apocalyptic number.

It is an amenable number.

20767734332 is a deficient number, since it is larger than the sum of its proper divisors (16628192740).

20767734332 is a wasteful number, since it uses less digits than its factorization.

20767734332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970069 (or 970067 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 44.

The spelling of 20767734332 in words is "twenty billion, seven hundred sixty-seven million, seven hundred thirty-four thousand, three hundred thirty-two".