20019292782 has 32 divisors (see below), whose sum is σ = 41789053440. Its totient is φ = 6381487200.

The previous prime is 20019292781. The next prime is 20019292793. The reversal of 20019292782 is 28729291002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20019292781) 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, 689719 + ... + 718157.

It is an arithmetic number, because the mean of its divisors is an integer number (1305907920).

Almost surely, 2^20019292782 is an apocalyptic number.

20019292782 is an abundant number, since it is smaller than the sum of its proper divisors (21769760658).

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

20019292782 is a wasteful number, since it uses less digits than its factorization.

20019292782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33568.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 20019292782 in words is "twenty billion, nineteen million, two hundred ninety-two thousand, seven hundred eighty-two".