20122401400 has 48 divisors (see below), whose sum is σ = 47780022240. Its totient is φ = 7877702400.

The previous prime is 20122401367. The next prime is 20122401433. The reversal of 20122401400 is 410422102.

It is an interprime number because it is at equal distance from previous prime (20122401367) and next prime (20122401433).

It is a super-2 number, since 2×20122401400² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1060941 + ... + 1079740.

It is an arithmetic number, because the mean of its divisors is an integer number (995417130).

Almost surely, 2^20122401400 is an apocalyptic number.

20122401400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122401400 is an abundant number, since it is smaller than the sum of its proper divisors (27657620840).

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

20122401400 is a wasteful number, since it uses less digits than its factorization.

20122401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140744 (or 2140735 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20122401400 its reverse (410422102), we get a palindrome (20532823502).

The spelling of 20122401400 in words is "twenty billion, one hundred twenty-two million, four hundred one thousand, four hundred".