20211010022 has 16 divisors (see below), whose sum is σ = 35164573440. Its totient is φ = 8532579528.

The previous prime is 20211010007. The next prime is 20211010033. The reversal of 20211010022 is 22001011202.

It is a happy number.

It is a super-2 number, since 2×20211010022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20211009985 and 20211010012.

It is a congruent number.

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, 10772522 + ... + 10774397.

It is an arithmetic number, because the mean of its divisors is an integer number (2197785840).

Almost surely, 2^20211010022 is an apocalyptic number.

20211010022 is a deficient number, since it is larger than the sum of its proper divisors (14953563418).

20211010022 is a wasteful number, since it uses less digits than its factorization.

20211010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21546995.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20211010022 its reverse (22001011202), we get a palindrome (42212021224).

The spelling of 20211010022 in words is "twenty billion, two hundred eleven million, ten thousand, twenty-two".