20022472777744 has 40 divisors (see below), whose sum is σ = 40768573630400. Its totient is φ = 9514135387008.

The previous prime is 20022472777717. The next prime is 20022472777799. The reversal of 20022472777744 is 44777727422002.

It is a super-2 number, since 2×20022472777744² (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 7 ways as a sum of consecutive naturals, for example, 393250644 + ... + 393301555.

It is an arithmetic number, because the mean of its divisors is an integer number (1019214340760).

Almost surely, 2^{20022472777744} is an apocalyptic number.

It is an amenable number.

20022472777744 is an abundant number, since it is smaller than the sum of its proper divisors (20746100852656).

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

20022472777744 is a wasteful number, since it uses less digits than its factorization.

20022472777744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786552287 (or 786552281 counting only the distinct ones).

The product of its (nonzero) digits is 17210368, while the sum is 55.

The spelling of 20022472777744 in words is "twenty trillion, twenty-two billion, four hundred seventy-two million, seven hundred seventy-seven thousand, seven hundred forty-four".