20133813390 has 32 divisors (see below), whose sum is σ = 48329083296. Its totient is φ = 5368135680.

The previous prime is 20133813389. The next prime is 20133813397. The reversal of 20133813390 is 9331833102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133813397) 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, 142350 + ... + 246030.

It is an arithmetic number, because the mean of its divisors is an integer number (1510283853).

Almost surely, 2^20133813390 is an apocalyptic number.

20133813390 is an abundant number, since it is smaller than the sum of its proper divisors (28195269906).

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

20133813390 is a wasteful number, since it uses less digits than its factorization.

20133813390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110164.

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 20133813390 in words is "twenty billion, one hundred thirty-three million, eight hundred thirteen thousand, three hundred ninety".