23400535070220 has 576 divisors, whose sum is σ = 84097433419776. Its totient is φ = 4757575680000.

The previous prime is 23400535070203. The next prime is 23400535070287. The reversal of 23400535070220 is 2207053500432.

It is a super-2 number, since 2×23400535070220² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 592084060 + ... + 592123580.

It is an arithmetic number, because the mean of its divisors is an integer number (146002488576).

Almost surely, 2^{23400535070220} is an apocalyptic number.

23400535070220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23400535070220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42048716709888).

23400535070220 is an abundant number, since it is smaller than the sum of its proper divisors (60696898349556).

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

23400535070220 is a wasteful number, since it uses less digits than its factorization.

23400535070220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39814 (or 39801 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 33.

Adding to 23400535070220 its reverse (2207053500432), we get a palindrome (25607588570652).

The spelling of 23400535070220 in words is "twenty-three trillion, four hundred billion, five hundred thirty-five million, seventy thousand, two hundred twenty".