11937140220 has 24 divisors (see below), whose sum is σ = 33423992784. Its totient is φ = 3183237376.

The previous prime is 11937140177. The next prime is 11937140227. The reversal of 11937140220 is 2204173911.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11937140227) 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, 99476109 + ... + 99476228.

It is an arithmetic number, because the mean of its divisors is an integer number (1392666366).

Almost surely, 2^11937140220 is an apocalyptic number.

11937140220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11937140220 is an abundant number, since it is smaller than the sum of its proper divisors (21486852564).

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

11937140220 is a wasteful number, since it uses less digits than its factorization.

11937140220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198952349 (or 198952347 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 11937140220 in words is "eleven billion, nine hundred thirty-seven million, one hundred forty thousand, two hundred twenty".