20372046280 has 32 divisors (see below), whose sum is σ = 46614009600. Its totient is φ = 8010702016.

The previous prime is 20372046241. The next prime is 20372046283. The reversal of 20372046280 is 8264027302.

It is not an unprimeable number, because it can be changed into a prime (20372046283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4313752 + ... + 4318471.

It is an arithmetic number, because the mean of its divisors is an integer number (1456687800).

Almost surely, 2^20372046280 is an apocalyptic number.

20372046280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20372046280 is an abundant number, since it is smaller than the sum of its proper divisors (26241963320).

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

20372046280 is a wasteful number, since it uses less digits than its factorization.

20372046280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8632293 (or 8632289 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

It can be divided in two parts, 203720 and 46280, that added together give a square (250000 = 500²).

The spelling of 20372046280 in words is "twenty billion, three hundred seventy-two million, forty-six thousand, two hundred eighty".