20712495754 has 8 divisors (see below), whose sum is σ = 31121673408. Its totient is φ = 10338604620.

The previous prime is 20712495737. The next prime is 20712495823. The reversal of 20712495754 is 45759421702.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8820162 + ... + 8822509.

It is an arithmetic number, because the mean of its divisors is an integer number (3890209176).

Almost surely, 2^20712495754 is an apocalyptic number.

20712495754 is a deficient number, since it is larger than the sum of its proper divisors (10409177654).

20712495754 is a wasteful number, since it uses less digits than its factorization.

20712495754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17643260.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 20712495754 in words is "twenty billion, seven hundred twelve million, four hundred ninety-five thousand, seven hundred fifty-four".