20115530350 has 24 divisors (see below), whose sum is σ = 37758152520. Its totient is φ = 7972391520.

The previous prime is 20115530341. The next prime is 20115530389. The reversal of 20115530350 is 5303551102.

It is a super-2 number, since 2×20115530350² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1840012 + ... + 1850911.

It is an arithmetic number, because the mean of its divisors is an integer number (1573256355).

Almost surely, 2^20115530350 is an apocalyptic number.

20115530350 is a deficient number, since it is larger than the sum of its proper divisors (17642622170).

20115530350 is a wasteful number, since it uses less digits than its factorization.

20115530350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691044 (or 3691039 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The spelling of 20115530350 in words is "twenty billion, one hundred fifteen million, five hundred thirty thousand, three hundred fifty".