20120434652374 has 16 divisors (see below), whose sum is σ = 34492231520928. Its totient is φ = 8623028964672.

The previous prime is 20120434652347. The next prime is 20120434652389. The reversal of 20120434652374 is 47325643402102.

It is a self number, because there is not a number n which added to its sum of digits gives 20120434652374.

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, 14524684 + ... + 15849520.

It is an arithmetic number, because the mean of its divisors is an integer number (2155764470058).

Almost surely, 2^{20120434652374} is an apocalyptic number.

20120434652374 is a deficient number, since it is larger than the sum of its proper divisors (14371796868554).

20120434652374 is a wasteful number, since it uses less digits than its factorization.

20120434652374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409639.

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 20120434652374 in words is "twenty trillion, one hundred twenty billion, four hundred thirty-four million, six hundred fifty-two thousand, three hundred seventy-four".