20120152400 has 30 divisors (see below), whose sum is σ = 48338667102. Its totient is φ = 8048060800.

The previous prime is 20120152399. The next prime is 20120152427. The reversal of 20120152400 is 425102102.

It can be written as a sum of positive squares in 3 ways, for example, as 104693824 + 20015458576 = 10232^2 + 141476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25149791 + ... + 25150590.

Almost surely, 2^20120152400 is an apocalyptic number.

20120152400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120152400 is an abundant number, since it is smaller than the sum of its proper divisors (28218514702).

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

20120152400 is a wasteful number, since it uses less digits than its factorization.

20120152400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50300399 (or 50300388 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 20120152400 its reverse (425102102), we get a palindrome (20545254502).

The spelling of 20120152400 in words is "twenty billion, one hundred twenty million, one hundred fifty-two thousand, four hundred".