20219838922 has 4 divisors (see below), whose sum is σ = 30329758386. Its totient is φ = 10109919460.

The previous prime is 20219838869. The next prime is 20219838949. The reversal of 20219838922 is 22983891202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12354100201 + 7865738721 = 111149^2 + 88689^2 .

It is a super-2 number, since 2×20219838922² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5054959729 + ... + 5054959732.

Almost surely, 2^20219838922 is an apocalyptic number.

20219838922 is a deficient number, since it is larger than the sum of its proper divisors (10109919464).

20219838922 is a wasteful number, since it uses less digits than its factorization.

20219838922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10109919463.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 20219838922 in words is "twenty billion, two hundred nineteen million, eight hundred thirty-eight thousand, nine hundred twenty-two".