10720991274 has 32 divisors (see below), whose sum is σ = 24642040320. Its totient is φ = 3046025712.

The previous prime is 10720991263. The next prime is 10720991279. The reversal of 10720991274 is 47219902701.

It is a super-2 number, since 2×10720991274² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (10720991279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705504 + ... + 720539.

It is an arithmetic number, because the mean of its divisors is an integer number (770063760).

Almost surely, 2^10720991274 is an apocalyptic number.

10720991274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10720991274 is an abundant number, since it is smaller than the sum of its proper divisors (13921049046).

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

10720991274 is a wasteful number, since it uses less digits than its factorization.

10720991274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426234.

The product of its (nonzero) digits is 63504, while the sum is 42.

The spelling of 10720991274 in words is "ten billion, seven hundred twenty million, nine hundred ninety-one thousand, two hundred seventy-four".