22020035154 has 48 divisors (see below), whose sum is σ = 47740495392. Its totient is φ = 6767988864.

The previous prime is 22020035137. The next prime is 22020035171. The reversal of 22020035154 is 45153002022.

It is an interprime number because it is at equal distance from previous prime (22020035137) and next prime (22020035171).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 954949 + ... + 977735.

It is an arithmetic number, because the mean of its divisors is an integer number (994593654).

Almost surely, 2^22020035154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020035154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23870247696).

22020035154 is an abundant number, since it is smaller than the sum of its proper divisors (25720460238).

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

22020035154 is a wasteful number, since it uses less digits than its factorization.

22020035154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23771 (or 23758 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 22020035154 its reverse (45153002022), we get a palindrome (67173037176).

The spelling of 22020035154 in words is "twenty-two billion, twenty million, thirty-five thousand, one hundred fifty-four".