20370995712 has 120 divisors (see below), whose sum is σ = 60819784740. Its totient is φ = 6556139520.

The previous prime is 20370995699. The next prime is 20370995713. The reversal of 20370995712 is 21759907302.

20370995712 is a `hidden beast` number, since 2 + 0 + 3 + 70 + 9 + 9 + 571 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18885355776 + 1485639936 = 137424^2 + 38544^2 .

It is not an unprimeable number, because it can be changed into a prime (20370995713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57412 + ... + 209852.

Almost surely, 2^20370995712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20370995712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30409892370).

20370995712 is an abundant number, since it is smaller than the sum of its proper divisors (40448789028).

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

20370995712 is a wasteful number, since it uses less digits than its factorization.

20370995712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152494 (or 152475 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The spelling of 20370995712 in words is "twenty billion, three hundred seventy million, nine hundred ninety-five thousand, seven hundred twelve".