20021044211404 has 48 divisors (see below), whose sum is σ = 36403553894400. Its totient is φ = 9623097691200.

The previous prime is 20021044211383. The next prime is 20021044211447. The reversal of 20021044211404 is 40411244012002.

It is a happy number.

It is a super-2 number, since 2×20021044211404² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46025877 + ... + 46458835.

It is an arithmetic number, because the mean of its divisors is an integer number (758407372800).

Almost surely, 2^{20021044211404} is an apocalyptic number.

It is an amenable number.

20021044211404 is a deficient number, since it is larger than the sum of its proper divisors (16382509682996).

20021044211404 is a wasteful number, since it uses less digits than its factorization.

20021044211404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434734 (or 434732 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 20021044211404 its reverse (40411244012002), we get a palindrome (60432288223406).

The spelling of 20021044211404 in words is "twenty trillion, twenty-one billion, forty-four million, two hundred eleven thousand, four hundred four".