20415151069 has 8 divisors (see below), whose sum is σ = 20775863232. Its totient is φ = 20056471680.

The previous prime is 20415151061. The next prime is 20415151073. The reversal of 20415151069 is 96015151402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20415151069 - 2³ = 20415151061 is a prime.

It is a super-2 number, since 2×20415151069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415151061) 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, 487924 + ... + 528109.

It is an arithmetic number, because the mean of its divisors is an integer number (2596982904).

Almost surely, 2^20415151069 is an apocalyptic number.

It is an amenable number.

20415151069 is a deficient number, since it is larger than the sum of its proper divisors (360712163).

20415151069 is a wasteful number, since it uses less digits than its factorization.

20415151069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016387.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 20415151069 in words is "twenty billion, four hundred fifteen million, one hundred fifty-one thousand, sixty-nine".