20029112290 has 16 divisors (see below), whose sum is σ = 39329893440. Its totient is φ = 7283313520.

The previous prime is 20029112197. The next prime is 20029112291. The reversal of 20029112290 is 9221192002.

It is not an unprimeable number, because it can be changed into a prime (20029112291) 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, 91041310 + ... + 91041529.

It is an arithmetic number, because the mean of its divisors is an integer number (2458118340).

Almost surely, 2^20029112290 is an apocalyptic number.

20029112290 is a deficient number, since it is larger than the sum of its proper divisors (19300781150).

20029112290 is a wasteful number, since it uses less digits than its factorization.

20029112290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182082857.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 20029112290 in words is "twenty billion, twenty-nine million, one hundred twelve thousand, two hundred ninety".