20340929004 has 48 divisors (see below), whose sum is σ = 51790306176. Its totient is φ = 6162323200.

The previous prime is 20340928997. The next prime is 20340929027. The reversal of 20340929004 is 40092904302.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 554719 + ... + 590249.

It is an arithmetic number, because the mean of its divisors is an integer number (1078964712).

Almost surely, 2^20340929004 is an apocalyptic number.

It is an amenable number.

20340929004 is an abundant number, since it is smaller than the sum of its proper divisors (31449377172).

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

20340929004 is a wasteful number, since it uses less digits than its factorization.

20340929004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39886 (or 39884 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 20340929004 in words is "twenty billion, three hundred forty million, nine hundred twenty-nine thousand, four".