20274185107 has 8 divisors (see below), whose sum is σ = 23078914560. Its totient is φ = 17629725960.

The previous prime is 20274185089. The next prime is 20274185117. The reversal of 20274185107 is 70158147202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20274185107 - 2⁷ = 20274184979 is a prime.

It is a super-2 number, since 2×20274185107² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20274185117) 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, 40067307 + ... + 40067812.

It is an arithmetic number, because the mean of its divisors is an integer number (2884864320).

Almost surely, 2^20274185107 is an apocalyptic number.

20274185107 is a deficient number, since it is larger than the sum of its proper divisors (2804729453).

20274185107 is a wasteful number, since it uses less digits than its factorization.

20274185107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80135153.

The product of its (nonzero) digits is 31360, while the sum is 37.

The spelling of 20274185107 in words is "twenty billion, two hundred seventy-four million, one hundred eighty-five thousand, one hundred seven".