22735038820 has 24 divisors (see below), whose sum is σ = 51416165304. Its totient is φ = 8394475776.

The previous prime is 22735038817. The next prime is 22735038871. The reversal of 22735038820 is 2883053722.

It can be written as a sum of positive squares in 4 ways, for example, as 2937423204 + 19797615616 = 54198^2 + 140704^2 .

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, 43720969 + ... + 43721488.

It is an arithmetic number, because the mean of its divisors is an integer number (2142340221).

Almost surely, 2^22735038820 is an apocalyptic number.

22735038820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22735038820 is an abundant number, since it is smaller than the sum of its proper divisors (28681126484).

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

22735038820 is a wasteful number, since it uses less digits than its factorization.

22735038820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87442479 (or 87442477 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 22735038820 in words is "twenty-two billion, seven hundred thirty-five million, thirty-eight thousand, eight hundred twenty".