20372046279 has 32 divisors (see below), whose sum is σ = 29383764480. Its totient is φ = 12480386688.

The previous prime is 20372046241. The next prime is 20372046283. The reversal of 20372046279 is 97264027302.

It is not a de Polignac number, because 20372046279 - 2¹³ = 20372038087 is a prime.

It is a super-3 number, since 3×20372046279³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20372046279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20372046479) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 11424822 + ... + 11426604.

It is an arithmetic number, because the mean of its divisors is an integer number (918242640).

Almost surely, 2^20372046279 is an apocalyptic number.

20372046279 is a deficient number, since it is larger than the sum of its proper divisors (9011718201).

20372046279 is a wasteful number, since it uses less digits than its factorization.

20372046279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 20372046279 in words is "twenty billion, three hundred seventy-two million, forty-six thousand, two hundred seventy-nine".