20220211109978 has 32 divisors (see below), whose sum is σ = 33702962137920. Its totient is φ = 9020581144960.

The previous prime is 20220211109941. The next prime is 20220211109999. The reversal of 20220211109978 is 87990111202202.

It is a super-2 number, since 2×20220211109978² (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, 11823101 + ... + 13424832.

It is an arithmetic number, because the mean of its divisors is an integer number (1053217566810).

Almost surely, 2^{20220211109978} is an apocalyptic number.

20220211109978 is a deficient number, since it is larger than the sum of its proper divisors (13482751027942).

20220211109978 is a wasteful number, since it uses less digits than its factorization.

20220211109978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25248622.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 20220211109978 in words is "twenty trillion, two hundred twenty billion, two hundred eleven million, one hundred nine thousand, nine hundred seventy-eight".