20112400037 has 2 divisors, whose sum is σ = 20112400038. Its totient is φ = 20112400036.

The previous prime is 20112400031. The next prime is 20112400051. The reversal of 20112400037 is 73000421102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18788459041 + 1323940996 = 137071^2 + 36386^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112400037 - 2¹⁸ = 20112137893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20112399991 and 20112400018.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20112400031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056200018 + 10056200019.

It is an arithmetic number, because the mean of its divisors is an integer number (10056200019).

Almost surely, 2^20112400037 is an apocalyptic number.

It is an amenable number.

20112400037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112400037 is an equidigital number, since it uses as much as digits as its factorization.

20112400037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 20112400037 its reverse (73000421102), we get a palindrome (93112821139).

The spelling of 20112400037 in words is "twenty billion, one hundred twelve million, four hundred thousand, thirty-seven".