20373400734 has 8 divisors (see below), whose sum is σ = 40746801480. Its totient is φ = 6791133576.

The previous prime is 20373400679. The next prime is 20373400741. The reversal of 20373400734 is 43700437302.

It is a sphenic number, since it is the product of 3 distinct primes.

20373400734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20373400695 and 20373400704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697783389 + ... + 1697783400.

It is an arithmetic number, because the mean of its divisors is an integer number (5093350185).

Almost surely, 2^20373400734 is an apocalyptic number.

20373400734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20373400734 is a wasteful number, since it uses less digits than its factorization.

20373400734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395566794.

The product of its (nonzero) digits is 42336, while the sum is 33.

The spelling of 20373400734 in words is "twenty billion, three hundred seventy-three million, four hundred thousand, seven hundred thirty-four".