20101432 has 16 divisors (see below), whose sum is σ = 40589640. Its totient is φ = 9277536.

The previous prime is 20101427. The next prime is 20101483. The reversal of 20101432 is 23410102.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96538 + ... + 96745.

Almost surely, 2^20101432 is an apocalyptic number.

It is an amenable number.

20101432 is an abundant number, since it is smaller than the sum of its proper divisors (20488208).

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

20101432 is a wasteful number, since it uses less digits than its factorization.

20101432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193302 (or 193298 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20101432 is about 4483.4620551534. The cubic root of 20101432 is about 271.8998694298.

Adding to 20101432 its reverse (23410102), we get a palindrome (43511534).

The spelling of 20101432 in words is "twenty million, one hundred one thousand, four hundred thirty-two".