20233835815 has 16 divisors (see below), whose sum is σ = 24807024000. Its totient is φ = 15836394240.

The previous prime is 20233835807. The next prime is 20233835827. The reversal of 20233835815 is 51853833202.

It is not a de Polignac number, because 20233835815 - 2³ = 20233835807 is a prime.

It is a super-2 number, since 2×20233835815² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630355 + ... + 661675.

It is an arithmetic number, because the mean of its divisors is an integer number (1550439000).

Almost surely, 2^20233835815 is an apocalyptic number.

20233835815 is a deficient number, since it is larger than the sum of its proper divisors (4573188185).

20233835815 is a wasteful number, since it uses less digits than its factorization.

20233835815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34122.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 20233835815 in words is "twenty billion, two hundred thirty-three million, eight hundred thirty-five thousand, eight hundred fifteen".